/**
 * 重构
 * @param fmt
 * @returns {void|string|*}
 * @constructor
 * @author meizz
 */
Date.prototype.Format = function(fmt)
{ //author: meizz
    var o = {
        "M+" : this.getMonth()+1,                 //月份
        "d+" : this.getDate(),                    //日
        "H+" : this.getHours(),                   //小时
        "m+" : this.getMinutes(),                 //分
        "s+" : this.getSeconds(),                 //秒
        "q+" : Math.floor((this.getMonth()+3)/3), //季度
        "S"  : this.getMilliseconds()             //毫秒
    };
    if(/(y+)/.test(fmt))
        fmt=fmt.replace(RegExp.$1, (this.getFullYear()+"").substr(4 - RegExp.$1.length));
    for(var k in o)
        if(new RegExp("("+ k +")").test(fmt))
            fmt = fmt.replace(RegExp.$1, (RegExp.$1.length==1) ? (o[k]) : (("00"+ o[k]).substr((""+ o[k]).length)));
    return fmt;
}

var DateUtils = function () {
    return this;
};

DateUtils.prototype = {
    constructor: DateUtils,
    /**
     * 字符串日期转成另一个格式的字符串.
     * @param sourceDateStr
     * @param format
     * @returns {void|string|*}
     */
    strToStr: function(sourceDateStr, format){
        var sourceDate = new Date(sourceDateStr);
        return sourceDate.Format(format);
    }
};
window.QiDateUtils = new DateUtils();